20804638 (number)

20804638 is an even 8-digits composite number following 20804637 and preceding 20804639. In scientific notation, it is written as 2.0804638 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10402318 positive integers (up to 20804638) that are relatively prime to 20804638.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand six hundred thirty-eight

Notation

Scientific notation 2.0804638 × 10^7
Engineering notation 2.0804638 × 10^6

Prime Factorization of 20804638

Prime Factorization 2 × 10402319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804638
Product of the distinct prime numbers

The prime factorization of 20804638 is 2 × 10402319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804638)

Multiplication

n×y
n×2 41609276
n×3 62413914
n×4 83218552
n×5 104023190

Division

n÷y
n÷2 10402319
n÷3 6934879.3333333
n÷3 5201159.5
n÷5 4160927.6

Exponentiation

ny
n2 432832962311044
n3 9.0049330953489E+21
n4 1.8734437326295E+29
n5 3.8976318670726E+36

Nth Root

y√n
2√n 4561.2101464414
3√n 275.03421282329
4√n 67.536731831215
5√n 29.082519817057

Divisors of 20804638

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804638 can be divided by 4 positive divisors. The sum of these divisors (counting 20804638) is 1, the average is 0.25.

Base conversion 20804638

Base System Value
2 Binary 1001111010111010000011110
3 Ternary 1110010222121011
4 Quaternary 1033113100132
5 Quinary 20311222023
6 Senary 2021525434
8 Octal 117272036
10 Decimal 20804638
12 Duodecimal 6b7387a
16 Hexadecimal 13d741e
20 Vigesimal 6a0bbi
36 Base36 cdwym

Cryptographic Hash Functions

md5 2f9128bd2520de5ede1191a502fcc0e3
sha1 3000cfa81baf8135dd4125b6aaf6b2472dfaf90c
sha256 4da41d90211af73d1322e3988587b2a42959b8c4b47b65e99a08f423dbbfde66
sha512 e7210459aee251cf3dbd59756224777c327fa22a7df82112623f3020a56ff298c09ef3e72c34edc1bf05e885cfceddc89d0889234da8a5e79255cffa9e565ebc
ripemd-160 6509f176e3505490b0cedc85174cad45e46b8c02

20804638 as geometric shapes

Circle

Radius = n
Diameter 41609276
Circumference 130719395.80279
Area 1.3597848546279E+15

Sphere

Radius = n
Volume 3.7719775544554E+22
Surface area 5.4391394185115E+15
Circumference 130719395.80279

Square

Length = n
Perimeter 83218552
Area 432832962311044
Diagonal 29422201.219863

Cube

Length = n
Surface area 2596997773866264
Volume 9.0049330953489E+21
Space diagonal 36034690.049078

Equilateral Triangle

Length = n
Perimeter 62413914
Area 1.8742217047832E+14
Altitude 18017345.024539

Triangular Pyramid

Length = n
Surface area 1.8742217047832E+14
Volume 1.0612415426421E+21
Height 9807400.4066209